You Fix It: Can You Stay Within the World’s Carbon Budget? – The New York Times

“We need to stay within our carbon budget.To prevent the worst effects of global warming, we have to keep temperatures from increasing by more than 3.6 degrees Fahrenheit (2.0 degrees Celsius) above the preindustrial level — the upper limit agreed to in the 2015 Paris climate accord.

That means we can’t send more than 2,900 gigatons of CO2 into the atmosphere. This is our carbon budget.We’ve already used about 73% of our budget.

The world has emitted 2,100 gigatons of CO2 since 1870, mostly from developed countries that prospered and polluted from the Industrial Revolution to today.The United States played an outsize role here, responsible for about 20% of emissions despite having just 4.4% of the world’s population. Overall, countries in the developed world account for 19% of the world’s population but are responsible for more than half of all emissions to date.”

Choose one of the choices in the model for each group, and watch the graph on the right show the results of the choice.

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